Math
posted by Em .
Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.
y = (64 − x^2)^(1/4), y = 0, x = 6, x = 7; about the xaxis

v = ∫[6,7] πr^2 dx
where r = y = ∜(64x^2)
v = π∫[6,7] √(64x^2) dx
= π(1/2 √(64x^2) + 32 arcsin(x/8)) [6,7]
= π(√15/2  √7 + 32(arcsin(7/8)arcsin(3/4)))
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